1. _____ is an instrument that is used to see tiny particles which are not seen by the naked eye
(A) Microscope
(B) Gastroscope
(C) Laryngoscope
(D) Human eye
2. The object can be focused by varying the lenses in _______
(A) Colorimeter
(B) Gastroscope
(C) Photometer
(D) Microscope
3. __________ is used to glow up the object in the microscope
(A) Eye piece
(B) Lens
(C) Lamp
(D) None of these
4. ______ are used for magnification and focusing the object
(A) Eye piece
(B) Lens
(C) Lamp
(D) None of these
5. The main part of microscope is __________
(A) Lens
(B) Prism
(C) Mirror
(D) None of these